# Smart Battery 24V vs BKmonitor

The clearest difference is update cadence: BKmonitor at every 2 weeks against Smart Battery 24V's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Battery 24V ships an update every 5 weeks, BKmonitor every 2 weeks. The most recent releases landed on September 2, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Smart Battery 24V | BKmonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/smart-battery-24v/id6449736747/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 67 MB | 8 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### Smart Battery 24V

[App page](https://appshunter.io/ios/app/smart-battery-24v/id6449736747)

Monitor the voltage of up to four 6V, 12V, or 24V batteries simultaneously. Test startup and charging systems, and accurately record vehicle start and stop times. View all data on your phone via Bluetooth for easy vehicle battery management.

**Highlights:** Monitor 6V, 12V, 24V batteries, Simultaneous monitoring of four batteries, Test startup and charging system voltage, Record vehicle start/stop times, Bluetooth data display, Vehicle battery power management

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### BKmonitor

[App page](https://appshunter.io/ios/app/bkmonitor/id6502943237)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Battery 24V free?

Smart Battery 24V is free to download, with no in-app purchases.

### Is BKmonitor free?

BKmonitor is free to download, with no in-app purchases.

### Do Smart Battery 24V or BKmonitor have ads?

Neither Smart Battery 24V nor BKmonitor shows ads.

### Which is updated more often, Smart Battery 24V or BKmonitor?

Smart Battery 24V ships an update every 5 weeks, and BKmonitor every 2 weeks. Most recently, Smart Battery 24V was updated on September 2, 2026 and BKmonitor on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*